Cascade defense via routing in complex networks

Xiao-Lan Xu, Wen-Bo Du () and Chen Hong ()
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Xiao-Lan Xu: School of Computer Science and Engineering, Beihang University, Beijing 100191, P. R. China
Wen-Bo Du: School of Electronic and Information Engineering, Beihang University, Beijing 100191, P. R. China
Chen Hong: School of Electronic and Information Engineering, Beihang University, Beijing 100191, P. R. China

International Journal of Modern Physics C (IJMPC), 2015, vol. 26, issue 12, 1-9

Abstract: As the cascading failures in networked traffic systems are becoming more and more serious, research on cascade defense in complex networks has become a hotspot in recent years. In this paper, we propose a traffic-based cascading failure model, in which each packet in the network has its own source and destination. When cascade is triggered, packets will be redistributed according to a given routing strategy. Here, a global hybrid (GH) routing strategy, which uses the dynamic information of the queue length and the static information of nodes' degree, is proposed to defense the network cascade. Comparing GH strategy with the shortest path (SP) routing, efficient routing (ER) and global dynamic (GD) routing strategies, we found that GH strategy is more effective than other routing strategies in improving the network robustness against cascading failures. Our work provides insight into the robustness of networked traffic systems.

Keywords: Cascading failures; cascade defense; routing strategy; complex networks; 89.75.Hc; 89.75.-k; 89.75.Fb (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1142/S0129183115501417

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